Alphabet shares rallied to a record high after Berkshire Hathaway’s new stake provided an endorsement of the tech giant’s AI efforts amid heightened worries over a looming bubble. The purchase of shares worth about $4.93 billion is one of the final major investments under Warren Buffett.
Oil prices settled more than 2% higher on Friday as Russia’s port halted oil exports following a Ukrainian drone attack that hit an oil depot in the Russian energy hub, stoking supply concerns. Brent rose 1.2% on the week, and WTI posted a weekly gain of around 0.6%.
Samsung Electronics will add a chip production line at its plant in the South Korean city of Pyeongtaek to meet rising demand from the global boom in artificial intelligence. Mass production will begin in 2028, the chipmaker said, adding that it also plans additional infrastructure investments to support expanded operations.
Turbulence in technology stocks could ratchet higher in the coming week as investors react to the quarterly report from Nvidia Corp, the world’s largest company by market value that is at the heart of Wall Street’s artificial intelligence trade.
Grayscale reported a 20% drop in revenue in the first nine months of 2025, the crypto-focused asset manager disclosed in its U.S. initial public offering paperwork, as analysts expect the IPO market to restart.
European Union finance ministers agreed to bring forward to “as soon as possible in 2026” the introduction of customs duties on low-value parcels arriving in the 27-nation EU, in a move that will hit Chinese on-line retailers Shein and Temu.
